Edsel Ing, Angela Zhang, Evan Michaelov, Wendy Wang
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The left eye IOP measurements were subsequently analyzed for confirmation of results.</p><p><strong>Results: </strong>There were 106 subjects with complete right eye data, and 104 subjects with complete left eye data. The average age was 72 years, and 70% were female. The NCT IOP was on average 3.9 mm Hg lower in the right eye, and 3.5 mm Hg lower in the left eye compared with DCT. (p<.001) In the right eye the Bland-Altman analysis showed the 95% agreement interval between the two tonometers was -2.5 to 10.4 mmHg and in the left eye -3.0 to 9.9 mmHg.</p><p><strong>Conclusion: </strong>The IOP from NCT and DCT should not be used interchangeably because their level of disagreement includes clinically important discrepancies of up to 10 mm Hg.</p>","PeriodicalId":46347,"journal":{"name":"Open Ophthalmology Journal","volume":null,"pages":null},"PeriodicalIF":0.4000,"publicationDate":"2018-06-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6018127/pdf/","citationCount":"3","resultStr":"{\"title\":\"Comparison of Dynamic Contour Tonometry and Non-contact Tonometry in Older Patients Presenting with Headache or Vision Loss.\",\"authors\":\"Edsel Ing, Angela Zhang, Evan Michaelov, Wendy Wang\",\"doi\":\"10.2174/1874364101812010104\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p><strong>Background: </strong>Dynamic Contour Tonometry (DCT) is touted to be the most accurate tonometer for Intraocular Pressure (IOP) measurement. 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引用次数: 3
摘要
背景:动态轮廓眼压计(DCT)被认为是测量眼压(IOP)最准确的眼压计。非接触式“吹气式”眼压计(NCT)可能是筛查眼压最常用的眼压计。排除出现头痛或视力丧失的患者眼压升高是很重要的。目的:确定DCT与NCT的一致性。方法:前瞻性记录50岁及以上以头痛或视力丧失为主要表现的颞动脉活检患者的IOP。NCT和DCT测量在30分钟内完成。右眼IOP测量值采用配对t检验和Bland- Altman图分析进行比较。随后分析左眼IOP测量值以确认结果。结果:右眼资料完整的106例，左眼资料完整的104例。平均年龄72岁，女性占70%。与DCT相比，NCT右眼IOP平均降低3.9 mm Hg，左眼平均降低3.5 mm Hg。结论:NCT和DCT的IOP不应该互换使用，因为它们的差异水平包括临床上重要的10mmhg差异。
Comparison of Dynamic Contour Tonometry and Non-contact Tonometry in Older Patients Presenting with Headache or Vision Loss.
Background: Dynamic Contour Tonometry (DCT) is touted to be the most accurate tonometer for Intraocular Pressure (IOP) measurement. Non-Contact "air puff" Tonometry (NCT) may be the most commonly used tonometer for screening of IOP. Elevated IOP is important to exclude in patients presenting with headache or vision loss.
Objective: To determine the agreement between DCT and NCT.
Methods: The IOP of adult patients 50 years of age or older presenting with headache or vision loss for possible temporal artery biopsy were prospectively recorded. NCT and DCT measurements were obtained within thirty minutes. The right eye IOP measurements were compared with paired t-test, and Bland- Altman plot analysis. The left eye IOP measurements were subsequently analyzed for confirmation of results.
Results: There were 106 subjects with complete right eye data, and 104 subjects with complete left eye data. The average age was 72 years, and 70% were female. The NCT IOP was on average 3.9 mm Hg lower in the right eye, and 3.5 mm Hg lower in the left eye compared with DCT. (p<.001) In the right eye the Bland-Altman analysis showed the 95% agreement interval between the two tonometers was -2.5 to 10.4 mmHg and in the left eye -3.0 to 9.9 mmHg.
Conclusion: The IOP from NCT and DCT should not be used interchangeably because their level of disagreement includes clinically important discrepancies of up to 10 mm Hg.
期刊介绍：
The Open Ophthalmology Journal is an Open Access online journal, which publishes research articles, reviews/mini-reviews, letters and guest edited single topic issues in all important areas of experimental and clinical research in ophthalmology, including use of ophthalmological therapies, devices and surgical techniques. The Open Ophthalmology Journal, a peer-reviewed journal, is an important and reliable source of current information on developments in the field. The emphasis will be on publishing quality papers rapidly and making them freely available to researchers worldwide.
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